From 0a3f7e7ca23078eab860032350d61ceb2a8ab50c Mon Sep 17 00:00:00 2001
From: Klaus Schmidinger <vdr@tvdr.de>
Date: Sun, 15 Feb 2004 14:31:53 +0100
Subject: [PATCH] Limited automatic retuning to devices that actually provide
 the transponder

---
 HISTORY |  2 ++
 menu.c  | 14 ++++++++------
 menu.h  |  4 ++--
 vdr.c   |  8 +++++---
 4 files changed, 17 insertions(+), 11 deletions(-)

diff --git a/HISTORY b/HISTORY
index dc639d7f..746e3608 100644
--- a/HISTORY
+++ b/HISTORY
@@ -2669,3 +2669,5 @@ Video Disk Recorder Revision History
   happen on my system, this has not been explicitly tested.
 - Adapted the 'sky' plugin to use the actual channel IDs, and to fetch EPG data
   from www.bleb.org.
+- Limited automatic retuning to devices that actually provide the transponder
+  (necessary for the 'sky' plugin).
diff --git a/menu.c b/menu.c
index 2ffa6d9f..790bb179 100644
--- a/menu.c
+++ b/menu.c
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: menu.c 1.285 2004/02/13 13:23:07 kls Exp $
+ * $Id: menu.c 1.286 2004/02/15 14:29:53 kls Exp $
  */
 
 #include "menu.h"
@@ -3241,7 +3241,7 @@ void cRecordControls::Stop(cDevice *Device)
 {
   for (int i = 0; i < MAXRECORDCONTROLS; i++) {
       if (RecordControls[i]) {
-         if (RecordControls[i]->Uses(Device)) {
+         if (RecordControls[i]->Device() == Device) {
             isyslog("stopping recording on DVB device %d due to higher priority", Device->CardIndex() + 1);
             RecordControls[i]->Stop(true);
             }
@@ -3320,10 +3320,12 @@ void cRecordControls::ChannelDataModified(cChannel *Channel)
   for (int i = 0; i < MAXRECORDCONTROLS; i++) {
       if (RecordControls[i]) {
          if (RecordControls[i]->Timer() && RecordControls[i]->Timer()->Channel() == Channel) {
-            isyslog("stopping recording due to modification of channel %d", Channel->Number());
-            RecordControls[i]->Stop(true);
-            // This will restart the recording, maybe even from a different
-            // device in case conditional access has changed.
+            if (RecordControls[i]->Device()->ProvidesTransponder(Channel)) { // avoids retune on devices that don't really access the transponder
+               isyslog("stopping recording due to modification of channel %d", Channel->Number());
+               RecordControls[i]->Stop(true);
+               // This will restart the recording, maybe even from a different
+               // device in case conditional access has changed.
+               }
             }
          }
       }
diff --git a/menu.h b/menu.h
index 041d6f7c..6fe95408 100644
--- a/menu.h
+++ b/menu.h
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: menu.h 1.59 2004/01/04 11:01:13 kls Exp $
+ * $Id: menu.h 1.60 2004/02/15 14:11:28 kls Exp $
  */
 
 #ifndef __MENU_H
@@ -123,7 +123,7 @@ public:
   cRecordControl(cDevice *Device, cTimer *Timer = NULL, bool Pause = false);
   virtual ~cRecordControl();
   bool Process(time_t t);
-  bool Uses(cDevice *Device) { return Device == device; }
+  cDevice *Device(void) { return device; }
   void Stop(bool KeepInstant = false);
   bool IsInstant(void) { return instantId; }
   const char *InstantId(void) { return instantId; }
diff --git a/vdr.c b/vdr.c
index 20315507..4782df9b 100644
--- a/vdr.c
+++ b/vdr.c
@@ -22,7 +22,7 @@
  *
  * The project's page is at http://www.cadsoft.de/vdr
  *
- * $Id: vdr.c 1.176 2004/02/13 13:13:13 kls Exp $
+ * $Id: vdr.c 1.177 2004/02/15 14:29:30 kls Exp $
  */
 
 #include <getopt.h>
@@ -526,8 +526,10 @@ int main(int argc, char *argv[])
                      cRecordControls::ChannelDataModified(Channel);
                      if (Channel->Number() == cDevice::CurrentChannel()) {
                         if (!cDevice::PrimaryDevice()->Replaying() || cTransferControl::ReceiverDevice()) {
-                           isyslog("retuning due to modification of channel %d", Channel->Number());
-                           Channels.SwitchTo(Channel->Number());
+                           if (cDevice::ActualDevice()->ProvidesTransponder(Channel)) { // avoids retune on devices that don't really access the transponder
+                              isyslog("retuning due to modification of channel %d", Channel->Number());
+                              Channels.SwitchTo(Channel->Number());
+                              }
                            }
                         }
                      }